Jan Frederik Gronovius (also Johannes Fredericus) (1686–1762), Dutch botanist
Jan van Eyck | Jan Matejko Academy of Fine Arts | Jan Hammer | Jan Peerce | Jan Hus | Jan Mayen | Jan Guillou | Jan Smuts | Jan Fabre | Jan Morris | Jan Matejko | Jan Garbarek | Ignacy Jan Paderewski | Jan van Riebeeck | Jan Troell | Jan Tinbergen | Jan Neruda | Jan-Michael Vincent | Jan Kochanowski | Frederik Pohl | Jan Brewer | Jan Bechtum | Frederik Magle | Frederik, Crown Prince of Denmark | Jan Zamoyski | Jan Ullrich | Jan Peter Balkenende | Jan Egeland | Robert Jan Stips | Mian Shakirullah Jan |